Abstract: In a method in which a welding process is carried out on a workpiece with a welding torch and to a welding device for carrying out the method, a welding current source is supplied in order to provide a welding voltage, and an electrical voltage is applied, at least temporarily, during the welding process to an external element of the welding torch, in particular to an outer wall of a gas nozzle, and a possibly occurring electrical contact between the external element and a further element, in particular the workpiece or a contact tube, is detected by the electrical voltage applied. The welding current source is electrically connected via at least one first resistor to the external element of the welding torch and the external element of the welding torch is connected to the electrical potential of the workpiece via at least one second resistor.

Abstract: The present disclosure relates to an electromagnetic clutch, including a selector sleeve which is arranged in a rotationally fixed manner on a first shaft and is adapted to be shifted linearly along the first shaft between an engaged and a disengaged state, a coupling body which is aligned coaxially to the first shaft, a stator which has a coil which serves to shift an armature ring linearly along the first shaft, the armature ring being mounted radially in an axial guide separately from the first shaft and the coupling body, wherein a shifting of the armature ring by the coil is also accompanied by a shifting of the selector sleeve. The present disclosure also relates to a method of closing and opening an electromagnetic clutch.

Abstract: The present disclosure relates to an electromagnetic clutch including a shifting sleeve which has a first toothing, is arranged in a rotationally fixed manner on a first shaft and can be displaced linearly along the first shaft between an engaged and a disengaged state, a first clutch body, which has a second toothing and which is aligned coaxially to the first shaft, the first and/or the second toothing having undercuts in the direction of the engaged state, which are configured such that a torque transmission between the first shaft and the first clutch body generates a force on the shifting sleeve in the direction of the engaged state. The present disclosure also relates to a method of closing and opening an electromagnetic clutch.

Abstract: A device for adapting the volume of an audio signal in an audio system includes a control unit that determines the loudness of a first audio signal of a first entertainment source or the volume setting of a controller of the audio system, and adapts the volume setting of the controller of the audio system on the basis of the loudness of the first audio signal or the volume setting of the controller, or emits a signal in order to indicate to a user a change between the loudness of the first audio signal of the first entertainment source or the volume setting of the controller of the audio system and a respective specified threshold.

Abstract: Spectacles having a spectacle frame and at least one additional frame that can be placed on the front of the spectacle frame so as to be removable, both frames having lenses made of transparent material. The lenses of the spectacle frame are varifocal lenses for the purpose of correcting vision for different distance ranges in order to achieve in each case maximum or clear visual acuity for at least one distance range, while the lenses of the additional frame are single-vision lenses or varifocal lenses. In combination with the lenses of the spectacle frame, the lenses of the additional frame correct vision in a manner customized to the needs of the user. In a simple, cost-effective and convenient manner, a broad field of sharp vision in all distance ranges is afforded to the user, and therefore significantly improved vision comfort tailored to their requirements is provided.

Abstract: Spectacles having a spectacle frame and at least one additional frame that can be placed on the front of the spectacle frame so as to be removable, both frames having lenses made of transparent material. The lenses of the spectacle frame are varifocal lenses for the purpose of correcting vision for different distance ranges in order to achieve in each case maximum or clear visual acuity for at least one distance range, while the lenses of the additional frame are single-vision lenses or varifocal lenses. In combination with the lenses of the spectacle frame, the lenses of the additional frame correct vision in a manner customized to the needs of the user. In a simple, cost-effective and convenient manner, a broad field of sharp vision in all distance ranges is afforded to the user, and therefore significantly improved vision comfort tailored to their requirements is provided.

Abstract: A short- or long-sleeved upper garment with a high degree of freedom of articulation, in particular for the sport shooting and hunting sector. The upper garment has a one-piece back part with a vertical central area covering the back and the shoulder area of a person. The back part has laterally left and right projecting arm sections respectively with a Top side with a laterally outer End point and a Bottom side with a laterally outer End point. The laterally outer End points of the left and right Top sides respectively coincide with the End points of the left and right Bottom sides respectively. This makes it possible, among other things, to avoid or at least reduce tensions introduced into the back part by arm and shoulder movements and to increase wearing comfort.

Abstract: A method for displaying a surroundings model of a vehicle. The method includes: capturing at least one sequence of camera images of at least one section of the surroundings of the vehicle with the aid of at least one camera; detecting a position of the vehicle; storing at least one camera image of the surroundings of the vehicle, each stored camera image being assigned the detected position of the vehicle) at the moment the stored camera image was captured; determining distances between the vehicle and objects in the surroundings; generating at least one close-range projection surface which represents the close range around the vehicle, the close-range projection surface being deformed three-dimensionally depending on the determined distances; and displaying the surroundings model as a function of the generated close-range projection surface, at least one current camera image, a stored camera image and the present vehicle position.

Abstract: Spectacles having a spectacle frame and at least one additional frame that can be placed on the front of the spectacle frame so as to be removable, both frames having lenses made of transparent material. The lenses of the spectacle frame are varifocal lenses for the purpose of correcting vision for different distance ranges in order to achieve in each case maximum or clear visual acuity for at least one distance range, while the lenses of the additional frame are single-vision lenses or varifocal lenses. In combination with the lenses of the spectacle frame, the lenses of the additional frame correct vision in a manner customized to the needs of the user. In a simple, cost-effective and convenient manner, a broad field of sharp vision in all distance ranges is afforded to the user, and therefore significantly improved vision comfort tailored to their requirements is provided.

Abstract: A handheld blower apparatus includes a housing (2), an axial blower (6) which conveys air through a blower tube (7), and an electric drive motor (4). The drive motor (4) has a rotor (22) and a stator (21) and rotatably drives a drive shaft (16) and at least one fan wheel (23) of the axial blower (6). A simple construction results when the drive shaft (16) is rotatably mounted in the housing (2), when the rotor (22) of the drive motor (4) is connected to the drive shaft (16) in a rotatably fixed manner and the stator (21) of the drive motor (4) is rotatably mounted on the drive shaft (16). The stator (21) is supported relative to the housing (2) to prevent rotation and can tilt in a limited manner relative to the housing (2).

Abstract: A handheld work apparatus having an electric drive motor has a battery pack (11) serving as a power supply unit for the drive motor. A receptacle for the battery pack (11) is provided on a housing (2) of the work apparatus. In order to simplify the mounting and arrange the battery pack (11) in a more favorable manner, a receiving compartment is provided in the housing (2) and a system carrier is arranged therein, to which electrical components (12, 13, 16) and electrical lines are affixed. A battery compartment (6) is formed in the system carrier (5) and contact elements for contacting the battery pack (11) are arranged on the system carrier (5). The electrical components (12, 13, 16) are interconnected and connected to the contact elements (18) by the lines located on the system carrier (5).

Abstract: Electrical shears have a housing with an electric drive motor arranged in the housing. A motor shaft is connected to the drive motor. Blades are provided and at least one of the blades is connected to the motor shaft. The motor shaft acts on the at least one blade for opening or closing the blades. A manual actuating member with a guide member is guided in a translatory motion, wherein the guide member has a length extending in a direction of a straight actuating travel path of the manual actuating member. A control unit is provided that controls the drive motor as a function of an electric control signal, wherein the electric control signal represents a mechanical position of the manual actuating member.

Abstract: The invention relates to a blower apparatus (1) having a blower wheel (4) for generating a blower air flow (50). The blower wheel (4) is arranged in a housing (2), wherein the blower wheel is driven by an electric drive motor (8). A blower tube (6) via which the generated blower air flow (50) is guided connects at an outlet (5). A control unit (17) is provided for controlling the rotational speed of the electric drive motor. For a quick reduction of the blower air flow (50), it is provided that the control unit (17) supports the deceleration of the drive motor (8) through a braking current (I).

Abstract: The invention relates to a blower apparatus (1) having a blower wheel (4) for generating a blower air flow (50). The blower wheel (4) is arranged in a housing (2), wherein the blower wheel is driven by an electric drive motor (8). A blower tube (6) via which the generated blower air flow (50) is guided connects at an outlet (5). A control unit (17) is provided for controlling the rotational speed of the electric drive motor. For a quick reduction of the blower air flow (50), it is provided that the control unit (17) supports the deceleration of the drive motor (8) through a braking current (I).

Abstract: A handheld blower apparatus includes a housing (2), an axial blower (6) which conveys air through a blower tube (7), and an electric drive motor (4). The drive motor (4) has a rotor (22) and a stator (21) and rotatably drives a drive shaft (16) and at least one fan wheel (23) of the axial blower (6). A simple construction results when the drive shaft (16) is rotatably mounted in the housing (2), when the rotor (22) of the drive motor (4) is connected to the drive shaft (16) in a rotatably fixed manner and the stator (21) of the drive motor (4) is rotatably mounted on the drive shaft (16). The stator (21) is supported relative to the housing (2) to prevent rotation and can tilt in a limited manner relative to the housing (2).

Abstract: A handheld work apparatus having an electric drive motor has a battery pack (11) serving as a power supply unit for the drive motor. A receptacle for the battery pack (11) is provided on a housing (2) of the work apparatus. In order to simplify the mounting and arrange the battery pack (11) in a more favorable manner, a receiving compartment is provided in the housing (2) and a system carrier is arranged therein, to which electrical components (12, 13, 16) and electrical lines are affixed. A battery compartment (6) is formed in the system carrier (5) and contact elements for contacting the battery pack (11) are arranged on the system carrier (5). The electrical components (12, 13, 16) are interconnected and connected to the contact elements (18) by the lines located on the system carrier (5).

Abstract: An intermediate element for a communications system is described that has at least one communications module (131) and at least one contact mechanism (134) that is independent in form in relation to the components (12) to be contacted with the contact mechanism (134). In addition, a communications system (10) as well as a method for producing a communications link between an electronic device (11) and a support element (12) is described.

Abstract: The aim is to avoid damaging lubricating-film discharges occurring via bearings (WL) in electrical machines. For this reason, provision is made for a current to be forced to flow through the bearing (WL) specifically, with the aid of a current source (IQ). The current then flows from one of the two bearing components via the lubricating film to the other bearing component. Alternating currents are particularly suitable since the lubricating film is conductive, so that the capacitance defined by the lubricating film cannot be charged, or can be charged only slightly.

Abstract: An intermediate element for a communications system is described that has at least one communications module (131) and at least one contact mechanism (134) that is independent in form in relation to the components (12) to be contacted with the contact mechanism (134). In addition, a communications system (10) as well as a method for producing a communications link between an electronic device (11) and a support element (12) is described.

Abstract: The aim is to avoid damaging lubricating-film discharges occurring via bearings (WL) in electrical machines. For this reason, provision is made for a current to be forced to flow through the bearing (WL) specifically, with the aid of a current source (IQ). The current then flows from one of the two bearing components via the lubricating film to the other bearing component. Alternating currents are particularly suitable since the lubricating film is conductive, so that the capacitance defined by the lubricating film cannot be charged, or can be charged only slightly.